Update Array.php
Rename Array.php to ArrayExpression.php
Update and rename ArrayDimFetch.php to ArrayDimFetchExpression.php
Update and rename ArrayItem.php to ArrayItemExpression.php
Merge pull request #11 from elhadraoui/patch-1

Update and rename ArrayItem.php to ArrayItemExpression.php
Merge pull request #1 from anezi/PSR-0

Update